fix: search palette triggers highlight, restore CSS keyframe blink

- SearchPalette now calls requestHighlight(id) before goto()
- Restore smooth CSS @keyframes cardHighlight (0%→none, 25%→glow,
  75%→glow, 100%→none) instead of JS interval pulse
- Inline style.animation overrides class-based stagger animation;
  cleanup sets animation:'none' (inline beats class, no stagger replay)

frontend/src/app.css

@@ -184,7 +184,13 @@ a:focus-visible {
 	font-family: var(--font-mono);
 }
 
-/* Card highlight dim overlay for cross-entity navigation */
+/* Card highlight for cross-entity navigation */
+@keyframes cardHighlight {
+	0%, 100% { box-shadow: none; }
+	25%, 75% { box-shadow: 0 0 0 3px var(--color-primary), 0 0 20px color-mix(in srgb, var(--color-primary) 30%, transparent); }
+}
+
+/* Dim overlay behind highlighted card */
 .nav-dim-overlay {
 	position: fixed;
 	inset: 0;

frontend/src/lib/components/SearchPalette.svelte

@@ -2,6 +2,7 @@
 	import { goto } from '$app/navigation';
 	import { t } from '$lib/i18n';
 	import MdiIcon from './MdiIcon.svelte';
+	import { requestHighlight } from '$lib/highlight';
 	import {
 		fetchAllCaches,
 		providersCache,
@@ -140,6 +141,7 @@
 
 	function navigateTo(result: SearchResult) {
 		closePalette();
+		requestHighlight(result.id);
 		goto(result.href);
 	}
 

frontend/src/lib/highlight.ts

@@ -1,19 +1,19 @@
 /**
  * Card highlight system for cross-entity navigation.
  *
- * CrossLink calls requestHighlight(id) before goto(), storing the ID globally.
+ * CrossLink/SearchPalette call requestHighlight(id) before goto().
  * The destination page calls highlightFromUrl() after data loads, which
- * picks up the pending ID and highlights the matching card.
+ * picks up the pending ID and highlights the matching card with a
+ * smooth CSS keyframe glow + dim overlay.
  */
 
-const HIGHLIGHT_DURATION = 2500;
-const PULSE_INTERVAL = 400;
+const HIGHLIGHT_DURATION = 2000;
 const WAIT_TIMEOUT = 5000;
 
-/** Pending highlight ID — set by CrossLink before navigation. */
+/** Pending highlight ID — set before navigation. */
 let _pendingHighlight: string | null = null;
 
-/** Request a card highlight. Called by CrossLink before goto(). */
+/** Request a card highlight. Called before goto(). */
 export function requestHighlight(id: string | number): void {
 	_pendingHighlight = String(id);
 }
@@ -39,7 +39,7 @@ export function highlightFromUrl(): void {
 
 	if (!id) return;
 
-	// Wait a tick for DOM to render after loaded=true
+	// Wait for DOM to render after loaded=true
 	requestAnimationFrame(() => {
 		requestAnimationFrame(() => {
 			const card = document.querySelector(`[data-entity-id="${id}"]`);
@@ -55,49 +55,21 @@ export function highlightFromUrl(): void {
 function _highlightCard(card: HTMLElement): void {
 	const overlay = _showDimOverlay();
 
+	// Scroll to card
 	card.scrollIntoView({ behavior: 'smooth', block: 'center' });
 
-	// Save originals
-	const origBoxShadow = card.style.boxShadow;
-	const origZIndex = card.style.zIndex;
-	const origPosition = card.style.position;
-	const origBorderColor = card.style.borderColor;
-
-	// Elevate above overlay
+	// Apply highlight via inline style (overrides stagger CSS class animation)
+	card.style.animation = 'cardHighlight 2s ease-in-out';
 	card.style.position = 'relative';
 	card.style.zIndex = '11';
 
-	// Get primary color
-	const primary = getComputedStyle(document.documentElement)
-		.getPropertyValue('--color-primary').trim();
-
-	// Pulsing glow
-	let on = true;
-	const glowOn = `0 0 0 3px ${primary}, 0 0 24px ${primary}60`;
-	const glowOff = `0 0 0 2px ${primary}80`;
-
-	card.style.boxShadow = glowOn;
-	card.style.borderColor = primary;
-
-	const pulseTimer = setInterval(() => {
-		on = !on;
-		card.style.boxShadow = on ? glowOn : glowOff;
-	}, PULSE_INTERVAL);
-
-	// Cleanup
+	// Cleanup: set animation to 'none' (inline beats class, prevents stagger replay)
 	setTimeout(() => {
-		clearInterval(pulseTimer);
-		card.style.transition = 'box-shadow 0.3s ease, border-color 0.3s ease';
-		card.style.boxShadow = origBoxShadow;
-		card.style.borderColor = origBorderColor;
-
-		setTimeout(() => {
-			card.style.position = origPosition;
-			card.style.zIndex = origZIndex;
-			card.style.removeProperty('transition');
-			overlay.classList.remove('active');
-			setTimeout(() => overlay.remove(), 300);
-		}, 300);
+		card.style.animation = 'none';
+		card.style.removeProperty('position');
+		card.style.removeProperty('z-index');
+		overlay.classList.remove('active');
+		setTimeout(() => overlay.remove(), 300);
 	}, HIGHLIGHT_DURATION);
 }